they'll probably have someone else play The Riddler in the next Batman movie.

It's hard to say this but Jim Carrey's Riddler wasn't dark enough to continue on in this series of The Dark Knight. I'm sure they're going to write the script for a much darker side of the Riddler, and I have a feeling it'll be a totally different Riddler than Jim's.

I think Jim will not play the riddler again. I don't see him in this role an other time. It will be very strange to see him again in a new Batman because for the new saga, they 've chosen a new cast (Bale in Batman, Ledger in Joker, Oldman in Gordon etc...). There'll not be Danny de vito playing the pinguin, Tomme Lee Jones as Double Face...
So Jim in The Riddler again, i don't believe it for one second.

If Jim Carrey was asked, I'm sure he'd say yes. Even though he doesn't like the idea reprising a character, I highly doubt this will be the same Riddler as seen in Batman Forever, I can actually guarantee you that.

However, the way they’ve been casting for the new Batman series, they don’t seem to want to use actors that have previously been in a batman movie. They want everything new.

I think it would be a good idea to go after Jim, but another factor holding him down is money.

His day is done. Why doesn't someone create an even newer cartoon character, there's gotta be one out there that is more amazing than
BM What about::
Tankman, or Infernoman or Iconman or megaman or Hman(Hbomb)
Everestman, Gargontuanaman, Centre of the Earth Man, Marsman,
Saturnman, Sunman?

I think Ledger could be nominate and, why not, win the oscar. It'll be the first post-mortem Oscar. It could be possible because Ledger is amazing in this movie (or at least in the teasers).
But, this is not the topic. The topic is about Jim as Riddler in a new Batman.

he is alive or not. Look at Elvis, he's still prospering post mortem?
Ledger has a daughter doesn't he, I think it would be more appropriate to have somekind of fund for her education or something like that.
My dad lost his dad when he was a baby. It is very difficult when this happens, I think sometimes children wonder where they belong.
Some kind of memorial. If he wins, why not?